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Finding the Fourth Proportional to 78,804,907.55, 118,207,361.33 and 48,571,819.55

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Solution

The fourth proportional to 78,804,907.55, 118,207,361.33 and 48,571,819.55 is: 72,857,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,907.55 : 118,207,361.33 = 48,571,819.55 : x
  2. Step 2: Convert to fraction form
    78,804,907.55/118,207,361.33 = 48,571,819.55/x
  3. Step 3: Cross multiply
    78,804,907.55x = 118,207,361.33 × 48,571,819.55
  4. Step 4: Simplify right side
    78,804,907.55x = 5,741,546,624,002,408
  5. Step 5: Solve for x
    x = 5,741,546,624,002,408/78,804,907.55
  6. Step 6: Final answer
    x = 72,857,729.33

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